Home / 20,698,314,796.20-31,047,472,194.30-13,259,841,407.40

Finding the Fourth Proportional to 20,698,314,796.20, 31,047,472,194.30 and 13,259,841,407.40

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Solution

The fourth proportional to 20,698,314,796.20, 31,047,472,194.30 and 13,259,841,407.40 is: 19,889,762,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698,314,796.20 : 31,047,472,194.30 = 13,259,841,407.40 : x
  2. Step 2: Convert to fraction form
    20,698,314,796.20/31,047,472,194.30 = 13,259,841,407.40/x
  3. Step 3: Cross multiply
    20,698,314,796.20x = 31,047,472,194.30 × 13,259,841,407.40
  4. Step 4: Simplify right side
    20,698,314,796.20x = 411,684,557,397,079,228,416
  5. Step 5: Solve for x
    x = 411,684,557,397,079,228,416/20,698,314,796.20
  6. Step 6: Final answer
    x = 19,889,762,111.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.